1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
=== tests/cases/conformance/types/typeRelationships/recursiveTypes/recursiveTypeInGenericConstraint.ts ===
class G<T> {
>G : Symbol(G, Decl(recursiveTypeInGenericConstraint.ts, 0, 0))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 0, 8))
x: G<G<T>>; // infinitely expanding type reference
>x : Symbol(G.x, Decl(recursiveTypeInGenericConstraint.ts, 0, 12))
>G : Symbol(G, Decl(recursiveTypeInGenericConstraint.ts, 0, 0))
>G : Symbol(G, Decl(recursiveTypeInGenericConstraint.ts, 0, 0))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 0, 8))
}
class Foo<T extends G<T>> { // error, constraint referencing itself
>Foo : Symbol(Foo, Decl(recursiveTypeInGenericConstraint.ts, 2, 1))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 4, 10))
>G : Symbol(G, Decl(recursiveTypeInGenericConstraint.ts, 0, 0))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 4, 10))
bar: T;
>bar : Symbol(Foo.bar, Decl(recursiveTypeInGenericConstraint.ts, 4, 27))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 4, 10))
}
class D<T> {
>D : Symbol(D, Decl(recursiveTypeInGenericConstraint.ts, 6, 1))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 8, 8))
x: G<G<T>>;
>x : Symbol(D.x, Decl(recursiveTypeInGenericConstraint.ts, 8, 12))
>G : Symbol(G, Decl(recursiveTypeInGenericConstraint.ts, 0, 0))
>G : Symbol(G, Decl(recursiveTypeInGenericConstraint.ts, 0, 0))
>T : Symbol(T, Decl(recursiveTypeInGenericConstraint.ts, 8, 8))
}
var c1 = new Foo<D<string>>(); // ok, circularity in assignment compat check causes success
>c1 : Symbol(c1, Decl(recursiveTypeInGenericConstraint.ts, 12, 3))
>Foo : Symbol(Foo, Decl(recursiveTypeInGenericConstraint.ts, 2, 1))
>D : Symbol(D, Decl(recursiveTypeInGenericConstraint.ts, 6, 1))
|
